Portable air inflation device



FIG. 1 is a top perspective view of a portable air inflation device, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a right-side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The broken lines are included for the purpose of illustrating portions of the portable air inflation device that form no part of the claimed design. 

CLAIM We claim the ornamental design for a portable air inflation device, as shown and described. 